CHMM Practice Exam
When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? a. Bismuth (atomic mass 209 & atomic number 83) b. Lead (atomic mass 206 & atomic number 82) c. Thallium (atomic mass 204 & atomic number 81) d. Mercury (atomic mass 201 & atomic number 80) - Answer-b. Lead (atomic mass 206 & atomic number 82) Atomic Mass is: a. the number of protons in the nucleus b. the total number of protons & neutrons in the nucleus c. a nuclear particle that has an atomic weight of one and is electrically neutral d. a particle that contains all the positive charge and essentially all the weight of the atom - Answer-b. the total number of protons & neutrons in the nucleus Which of the following is not a chemical asphyxiant? a. carbon monoxide b. carbon dioxide c. hydrogen sulfide d. hydrogen cyanide - Answer-c. hydrogen sulfide Which of the following displaces oxygen but does not actually interfere with the human body's ability to use oxygen? a. carbon dioxide b. nitrogen c. noble gases
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- Subido en
- 13 de marzo de 2024
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- 2023/2024
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